Shenzhen Xinhaisen Technology Limited
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Chemical Etching Precision Stamping Shim for Electrical Accessories Custom
Website: www.xinhsen.cn
Product Overview
Xinhsen Technology specializes in high-precision chemical etching of metal shims and spacers for industries requiring exact thickness control, complex geometries, and burr-free performance. Our etched shims ensure perfect flatness, tight tolerances, and material integrity, making them ideal for aerospace, automotive, electronics, and industrial applications.
Key Specifications
| Parameter | Specification Range | Tolerance |
| Material Thickness | 0.02mm – 1.5mm | ±0.01mm |
| Outer Diameter | Up to 600mm (customizable) | ±0.03mm |
| Inner Diameter | 0.1mm (min) | ±0.02mm |
| Hole Size | 0.03mm (min) | ±0.005mm |
| Flatness | -- | ≤0.025mm per 25mm |
| Materials | Stainless Steel (304, 316), Copper, Brass, Nickel, Titanium, Beryllium Copper, Phosphor Bronze | -- |
| Surface Finish | Matte, Polished, Passivated, Plated (Ni, Ag, Au) | -- |
Features & Advantages
✔ Burr-Free & Stress-Free: No mechanical deformation or heat-affected zones.
✔ Complex Designs: Etching enables intricate shapes (non-round, multi-hole, stepped shims).
✔ High Repeatability: Consistent thickness and geometry across large volumes.
✔ Fast Turnaround: Prototypes in days, mass production in weeks.
✔ Custom Coatings: Optional anti-corrosion, conductive, or insulating treatments.
Common Applications
Electronics: EMI shielding gaskets, battery spacers, connector insulators.
Automotive: Transmission shims, fuel injector spacers, sensor mounts.
Aerospace: Turbine engine shims, thermal barriers, vibration dampers.
Medical: Surgical tool components, implantable device spacers.
Industrial: Pump seals, bearing shims, precision machinery spacers.
Why Choose Xinhsen?
Micron-Level Precision: Achieve tolerances down to ±0.005mm for critical applications.
Wide Material Selection: From soft copper to high-strength stainless steel.
End-to-End Solutions: Design support, etching, finishing, and QC testing.
Scalability: From prototypes to millions of units with consistent quality.
Contact us for custom shim solutions tailored to your needs!